<%@ tag language="java" pageEncoding="UTF-8"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<%@attribute name="name" required="true" rtexprvalue="true"%>
<c:set var="content"><jsp:doBody /></c:set><label for="f_${name}" ><c:choose>
<c:when test="${ fn:length(fn:trim(content)) gt 0 }">${content}</c:when>
<c:otherwise>${name}</c:otherwise></c:choose></label>
